/**
 * Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.mybatisflex.core.field;

import com.mybatisflex.core.util.LambdaGetter;
import com.mybatisflex.core.util.LambdaUtil;

import java.io.Serializable;

public class FieldQueryBuilder<T> implements Serializable {

    private T entity;
    private FieldQuery fieldQuery = new FieldQuery();

    public FieldQueryBuilder(T entity) {
        this.entity = entity;
    }

    public FieldQueryBuilder<T> field(String field){
        fieldQuery.setField(field);
        return this;
    }

    public FieldQueryBuilder<T> field(LambdaGetter<T> fn){
        return field(LambdaUtil.getFieldName(fn));
    }

    public FieldQueryBuilder<T> queryWrapper(QueryBuilder<T> fun){
        fieldQuery.setQueryWrapper(fun.build(entity));
        return this;
    }

    public FieldQuery build() {
        return fieldQuery;
    }
}
